8682l Datasheet Jun 2026

Ensure the copper pour on your PCB is adequate around the Drain pins to act as a heat sink.

[ DC Power Adapter ] [ System Load ] │ ▲ ▼ │ ┌───────────────┐ │ │ Input Sense ├─────────────────┤ └───────┬───────┘ │ │ │ ▼ │ ┌───────────────┐ │ │ Buck Switch ├─────────────────┤ └───────┬───────┘ │ │ │ ▼ │ ┌───────────────┐ │ │ Battery Sense ├─────────────────┤ └───────┬───────┘ │ │ │ ▼ │ [ Battery Pack ] <─── Hybrid ─────┘ Power Boost

If you want, tell me the manufacturer or paste the specific 8682L datasheet text and I’ll extract the critical specs and make a one-page summary and BOM-ready recommendations.

In standard troubleshooting workflows (e.g., when a laptop completely refuses to charge, fails to discover the battery pack, or shows no signs of life), the 8682L IC should be methodically validated: 8682l Datasheet

: The chip is marked under labels like OZ8682LN , OZ8682L , or 0Z8682L . They are cross-compatible if the package design matches the 16-pin QFN specification .

efficiency , Dr. Reed," the AI responded instantly. "Thermal management is optimal. Current load is steady."

: Battery voltage sensing and battery current-sensing connections across an external shunt resistor. Ensure the copper pour on your PCB is

Given the difficulty in locating the official OZ8682L datasheet, a cross-referencing strategy is your best course of action for troubleshooting and repair:

If a laptop works on AC but won't charge, or shuts down under high load, this IC is a primary suspect. Repair reviewers note that improper soldering or failing to account for the thermal resistance of the QFN package can lead to overheating or unstable charging.

: The OZ8681L, also from O2 Micro, is a related device. However, it is crucial to note that it serves a different purpose. The OZ8681L is a smart battery charger (SBC) with SMBus programmability for battery management, whereas the 8682L is part of the main power supply generation circuitry. Technicians have questioned the compatibility between the 8681L and 8682L, and they are generally not interchangeable due to these different roles. They are cross-compatible if the package design matches

: The switching node connecting the external inductors, high-side source, and low-side drain. Logic & Communication

Low-side synchronous rectifying gate driver line.

: Connects to the gate of the high-side external N-channel switching MOSFET.

Due to the QFN-16 package, the PCB layout must account for adequate heat dissipation via a central thermal pad.

: Provides internal bias power to the chip's inner analog and logic sub-circuits.